@article{IVM_2000_4_a4,
     author = {A. K. Ratyni},
     title = {An elliptic boundary value problem with a~superposition operator in the boundary {condition.~I}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {36--40},
     publisher = {mathdoc},
     number = {4},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2000_4_a4/}
}